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. 2018 Jul 30;12:62. doi: 10.3389/fnana.2018.00062

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Copyright © 2018 Imperatore, D’Angelo, Safari, Motlagh, Piscitelli, de Girolamo, Cristino, Varricchio, di Marzo and Paolucci.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Distribution of OX-2R (red) and CB1R (green), and their co-localization OX-2R/CB1R (yellow) in coronal sections of the telencephalon. (A–C) OX-2R/CB1R co-expression has been observed in the dorsal and ventral telencephalon of zebrafish brain. (A₁) Higher magnification of the field boxed in (A) showing the OX-2R/CB1R co-expression within the dorsal nucleus of the ventral telencephalon (Vd). (B₁,B₂) Higher magnification of the fields boxed in (B) showing the OX-2R/CB1R co-expression within the dorsal (Dd) (B₁) and medial (Dm) (B₂) part of the dorsal telencephalon. (C₁) Higher magnification of the field boxed in (C) showing the OX-2R/CB1R co-expression within the parvocellular preoptic nucleus, anterior part (Ppa). DAPI (Blue) was used as a counterstaining to show nuclei. Dc, central part of the dorsal telencephalon; Dp, posterior part of the dorsal telencephalon; NT, nucleus taeniae. Scale bar, 250 μm for (A–C); 50 μm for (A₁,B₁,B₂,C₁).